Microprocessor-Based Gas Leak and Water Level Detector

Abstract

INTRODUCTION

LPG or Liquefied Petroleum Gas has been known as one of the causes of fire due to a gas leak or due to an unclosed gas valve which results to fire, deaths of various people, loss of houses, etc. in Malabon, a suspected leak in a hydrogen gas tank triggered the explosion of an LPG that led to a fire that injured two persons and consumed five houses (Javier, 2017). Same with gas tanks, water tanks have been also linked with explosion due to water pressure. For example, in San Jose Del Monte, Bulacan 4 was declared dead including a 1-year old baby and 41 were injured (Layug, 2017). Because of these tragedies, this study was conducted to invent a Household Resource Monitoring System with Computer Interface and Data Logging for Gas Leak and Water Level Detection.

METHODS

The Household Resource Monitoring System main device was primarily made of acrylic glass, while the gas valve box was made with plywood and since the water tank is only a prototype and is made of a clear plastic box. Descriptive Research Method and an employed survey were used to determine the acceptability of the Household Resource Monitoring System with Computer Interface and Data Logging for Gas Leak and Water Level Detection.

RESULTS

The average time for the device to analyze the data and then send the notification by the indicators regarding the gas leak feature of the device is 61.9 ms. While the averagetime of the GSM Module to send the notification is 5.8 s (dependent upon signal strength). The maximum range of distance that the gas sensor can still detect the smoke is 150 cm. The accuracy of the notification sent by the GSM Module is 90%. The device can detect the water level and send the notification when if it's full and empty in 64.2 ms and 65.1 ms respectively. Meanwhile, the weight sensor of the HRMS was also able to successfully monitor the content of the gas tank through its weight. The moment when the gas tank was placed on the weight platform, the sensor automatically processed the data and then send it to the LCD and for data logging.

DISCUSSIONS

Therefore, the HRMS is accurate in terms of its function and is acceptable to people in terms of its accuracy and response time of the indicators and the GSM notification.